CN220774310U

CN220774310U - Integrated circuit lead frame

Info

Publication number: CN220774310U
Application number: CN202322501617.9U
Authority: CN
Inventors: 陈尧
Original assignee: Wuxi Xuanbang Integrated Circuit Co ltd
Current assignee: Wuxi Xuanbang Integrated Circuit Co ltd
Priority date: 2023-09-14
Filing date: 2023-09-14
Publication date: 2024-04-12
Anticipated expiration: 2033-09-14

Abstract

The utility model discloses an integrated circuit lead frame, which relates to the technical field of integrated circuits and comprises a mounting plate, wherein a groove is formed in the mounting plate, a fixing mechanism is arranged in the groove and comprises a rotating shaft, one end of the rotating shaft is rotationally connected to the groove; the two sides of the lead frame main body are respectively placed on the two placing blocks, the two moving blocks are pushed to the two sides by the two sides of the lead frame main body, the moving blocks slide on the guide rods in sliding connection, and the positions of the lead frame main body can be positioned by spring compression.

Description

Integrated circuit lead frame

Technical Field

The utility model relates to the technical field of integrated circuits, in particular to an integrated circuit lead frame.

Background

An integrated circuit is a miniature electronic device or component, which adopts a certain technology to interconnect the elements such as transistors, resistors, capacitors, inductors and the like required in a circuit together, and the elements are manufactured on a small semiconductor wafer or a dielectric substrate or a plurality of small semiconductor wafers or dielectric substrates, and then the semiconductor wafers or dielectric substrates are packaged in a tube shell to form a miniature structure with the required circuit function.

In the prior art, as disclosed in chinese patent CN206497890U, an integrated circuit package lead frame comprises a chip carrier, a lead pin, a lead connection portion and a plastic layer, wherein the chip carrier, the lead pin and the lead connection portion are integrally formed, the plastic layer is respectively adhered to the bottom surface of the lead connection portion and the bottom surface of the outer edge of the lead pin, the chip carrier and the lead pin are electroplated with a silver foil layer or a gold foil layer, and the surfaces of the chip carrier, the lead pin and the lead connection portion are coated with an antioxidant.

However, in the prior art, when the integrated circuit lead frame is used, the integrated circuit lead frame needs to be installed at a designated position, and is usually fixedly installed through bolts, so that the lead frame needs to be disassembled through a tool when being maintained and disassembled, and the lead frame cannot be quickly replaced.

Disclosure of Invention

The utility model aims to solve the problems that when an integrated circuit lead frame in the prior art is used, the integrated circuit lead frame needs to be installed at a designated position, and is usually fixedly installed through bolts, so that when the lead frame is maintained and detached, the lead frame needs to be detached through a tool, and the lead frame cannot be quickly replaced.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an integrated circuit lead frame, includes the mounting panel, set up flutedly on the mounting panel, be provided with fixed establishment in the recess, fixed establishment includes the axis of rotation, axis of rotation one end is rotated and is connected on the recess, axis of rotation other end fixedly connected with gear, the gear both sides all mesh has the rack, rack one end fixedly connected with grafting piece, it has the mount pad to peg graft on the grafting piece, mount pad fixed connection is in the lead frame main part.

Preferably, the splicing block is fixedly connected with a lapping block, and the lapping block is lapped on the mounting seat.

Preferably, the rack is fixedly connected with a sliding block, the sliding block is connected with a guide post in a sliding manner, and two ends of the guide post are respectively and fixedly connected with two sides of the groove.

Preferably, one of the sliding blocks is in threaded connection with a threaded rod, one end of the threaded rod is rotatably connected to the groove, and the other end of the threaded rod penetrates through the groove.

Preferably, the mounting plate is provided with a clamping mechanism, the clamping mechanism comprises two fixing blocks, springs are fixedly connected to the two fixing blocks, one end of each spring is fixedly connected with a moving block, and the moving block is fixedly connected with a placing block.

Preferably, the placing block is slidably connected with a guide rod, two ends of the guide rod are fixedly connected to the fixing block, and the spring is sleeved outside the guide rod.

Preferably, the mounting plate both sides are all fixedly connected with fixed plate, be provided with fixing bolt on the fixed plate.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. according to the utility model, when the lead frame main body is required to be disassembled, the threaded rod rotates to drive the sliding block in threaded connection to move, one rack connected with the sliding block moves to drive the meshed gear to rotate, meanwhile, the other rack meshed with the gear moves, and the two racks move reversely to drive the plug-in blocks plugged on the mounting seat to be separated from the plug-in blocks, so that the lead frame main body is pulled upwards to be disassembled.

2. In the utility model, the two sides of the lead frame main body are respectively placed on the two placing blocks, the two moving blocks are pushed to the two sides by the two sides of the lead frame main body, the moving blocks slide on the guide rods which are in sliding connection, and the positions of the lead frame main body can be positioned by compressing the springs.

Drawings

Fig. 1 is a schematic diagram of an overall perspective structure of an integrated circuit lead frame according to the present utility model;

fig. 2 is a schematic diagram showing a structure of a recess internal installation of an integrated circuit lead frame according to the present utility model;

fig. 3 is a schematic perspective view of a fixing mechanism of an integrated circuit lead frame according to the present utility model;

fig. 4 is a schematic perspective view of a leadframe body of an integrated circuit leadframe according to the present utility model;

fig. 5 is a schematic perspective view of a clamping mechanism of an integrated circuit lead frame according to the present utility model.

Legend description: 1. a mounting plate; 2. a clamping mechanism; 201. a fixed block; 202. a spring; 203. a moving block; 204. a guide rod; 205. placing a block; 3. a lead frame body; 4. a fixing plate; 5. a fixing bolt; 6. a mounting base; 7. a fixing mechanism; 701. a sliding block; 702. a guide post; 703. a rotating shaft; 704. a rack; 705. a gear; 706. a splicing block; 707. a plug block; 708. a threaded rod; 8. a groove.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Example 1

As shown in fig. 1-4, the utility model provides an integrated circuit lead frame, which comprises a mounting plate 1, wherein a groove 8 is formed in the mounting plate 1, a fixing mechanism 7 is arranged in the groove 8, the fixing mechanism 7 comprises a rotating shaft 703, one end of the rotating shaft 703 is rotationally connected to the groove 8, the other end of the rotating shaft 703 is fixedly connected with a gear 705, racks 704 are meshed with two sides of the gear 705, one end of each rack 704 is fixedly connected with a plug block 707, a mounting seat 6 is plugged on each plug block 707, and the mounting seat 6 is fixedly connected to a lead frame main body 3; the splicing block 707 is fixedly connected with a lapping block 706, and the lapping block 706 is lapped on the mounting seat 6; a sliding block 701 is fixedly connected to the rack 704, a guide column 702 is slidably connected to the sliding block 701, and two ends of the guide column 702 are respectively and fixedly connected to two sides of the groove 8; one of the sliding blocks 701 is in threaded connection with a threaded rod 708, one end of the threaded rod 708 is rotatably connected to the groove 8, and the other end of the threaded rod 708 penetrates through the groove 8.

When the lead frame main body 3 needs to be disassembled, the threaded rod 708 rotates to drive the sliding block 701 in threaded connection to move, one rack 704 connected with the threaded rod 708 moves to drive the meshed gear 705 to rotate, meanwhile, the other rack 704 meshed with the gear 705 moves, the two racks 704 move reversely to drive the plug-in blocks 707 plugged on the mounting seat 6 to be separated from the lead frame main body, the lead frame main body 3 is pulled upwards to be disassembled, the threaded rod 708 is reversed during mounting, and the two plug-in blocks 707 are driven to move to be plugged on the mounting seat 6 through the meshing between the gear 705 and the racks 704, so that the lap-joint blocks 706 are lapped on the mounting seat 6 to fixedly mount the lead frame main body 3.

Example two

As shown in fig. 1, 2 and 5, a clamping mechanism 2 is arranged on a mounting plate 1, the clamping mechanism 2 comprises two fixed blocks 201, springs 202 are fixedly connected to the two fixed blocks 201, one end of each spring 202 is fixedly connected with a movable block 203, and a placing block 205 is fixedly connected to the movable block 203; the placing block 205 is connected with a guide rod 204 in a sliding way, two ends of the guide rod 204 are fixedly connected to the fixed block 201, and the spring 202 is sleeved outside the guide rod 204.

The two sides of the lead frame body 3 are respectively placed on the two placing blocks 205, the two moving blocks 203 are pushed to two sides by the two sides of the lead frame body 3, the moving blocks 203 slide on the guide rods 204 which are in sliding connection, and the springs 202 are compressed, so that the positions of the lead frame body 3 can be positioned.

Example III

As shown in fig. 1 and 2, two sides of the mounting plate 1 are fixedly connected with a fixing plate 4, and the fixing plate 4 is provided with a fixing bolt 5.

The mounting plate 1 can be fixedly mounted by the cooperation between the fixing plate 4 and the fixing bolt 5.

The application method and the working principle of the device are as follows: firstly, through the cooperation between the fixed plate 4 and the fixed bolt 5, the mounting plate 1 is fixedly mounted, when the lead frame body 3 needs to be dismounted, the threaded rod 708 rotates to drive the sliding block 701 which is in threaded connection to move, one rack 704 connected with the threaded rod moves to drive the meshed gear 705 to rotate, meanwhile, the other rack 704 meshed with the gear 705 moves, the two racks 704 move reversely to drive the inserting blocks 707 inserted on the mounting seat 6 to be separated from the inserting blocks, the lead frame body 3 is pulled upwards to dismount the inserting blocks, when the lead frame body 3 needs to be mounted, the two sides of the lead frame body 3 are respectively placed on the two placing blocks 205, the two sides of the lead frame body 3 push the two moving blocks 203 to two sides, the moving blocks 203 slide on the guide rods 204 which are in sliding connection, the springs 202 are compressed, the positions of the lead frame body 3 can be positioned, the mounting seat 6 enters the groove 8, the two inserting blocks 707 are driven to be inserted on the mounting seat 6 through the meshing between the gear 705 and the racks 704, and the two inserting blocks 707 are spliced on the mounting seat 6.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model will still fall within the protection scope of the technical solution of the present utility model.

Claims

1. An integrated circuit lead frame comprising a mounting board (1), characterized in that: the mounting plate (1) is provided with a groove (8), a fixing mechanism (7) is arranged in the groove (8), the fixing mechanism (7) comprises a rotating shaft (703), one end of the rotating shaft (703) is rotationally connected to the groove (8), a gear (705) is fixedly connected to the other end of the rotating shaft (703), racks (704) are meshed on two sides of the gear (705), a plug-in block (707) is fixedly connected to one end of the rack (704), a mounting seat (6) is plugged in the plug-in block (707), and the mounting seat (6) is fixedly connected to the lead frame main body (3).

2. An integrated circuit lead frame as defined in claim 1, wherein: and the splicing block (707) is fixedly connected with a lap joint block (706), and the lap joint block (706) is lapped on the mounting seat (6).

3. An integrated circuit lead frame as defined in claim 1, wherein: the rack (704) is fixedly connected with a sliding block (701), the sliding block (701) is slidably connected with a guide column (702), and two ends of the guide column (702) are respectively and fixedly connected with two sides of the groove (8).

4. An integrated circuit lead frame according to claim 3, wherein: one of the sliding blocks (701) is in threaded connection with a threaded rod (708), one end of the threaded rod (708) is rotatably connected to the groove (8), and the other end of the threaded rod (708) penetrates through the groove (8).

5. An integrated circuit lead frame as defined in claim 1, wherein: the clamping mechanism (2) is arranged on the mounting plate (1), the clamping mechanism (2) comprises two fixed blocks (201), springs (202) are fixedly connected to the fixed blocks (201), one end of each spring (202) is fixedly connected with a moving block (203), and a placing block (205) is fixedly connected to the moving block (203).

6. An integrated circuit lead frame as defined in claim 5, wherein: the placing block (205) is connected with a guide rod (204) in a sliding manner, two ends of the guide rod (204) are fixedly connected to the fixed block (201), and the spring (202) is sleeved outside the guide rod (204).

7. An integrated circuit lead frame as defined in claim 1, wherein: the two sides of the mounting plate (1) are fixedly connected with fixing plates (4), and fixing bolts (5) are arranged on the fixing plates (4).